In order to wire a 4 way switch, there needs to be a total of 3 switches working to operate a device/light. you need a 2-wire coming from power source, 3-wire from first switch to 4-way switch then 3-wire to last switch. white wires (neutral) get connected together. Depending on the layout of the switches. i.e where the power comes from and where the switch leg goes to but a basic 4 -way switch is in between 2 other 3-way switches.
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In order to wire a 4 way switch, there needs to be a total of 3 switches working to operate a device/light. you need a 2-wire coming from power source, 3-wire from first switch to 4-way switch then 3-wire to last switch. white wires (neutral) get connected together. Depending on the layout of the switches. i.e where the power comes from and where the switch leg goes to but a basic 4 -way switch is in between 2 other 3-way switches.